Men, on foot or on horseback, and mule-drawn covered wagons are on a steep, narrow trail in the Rocky Mountains. The men wear hats and carry rifles. Shows probably buffalo robes bundled with a beaded buckskin. Gnarled brush and tree stumps are in...

Miners and a wagon train travel through a valley in the mountains of Colorado. Dead horses and mules are nearby. Surveyors on horseback and with skis are in a valley. A man holds a transom, another holds a pick.

U.S. soldiers in uniform and North American Indian men with fringed buckskin shirts and feathers in their hair hold rifles and stand or sit at a camp fire. Construction crews hammer down railroad tracks; a train with cars that read "Northern...